Palladium

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Palladium

Dicovery-

  • W.H. Wallaston discovered palladium
  • Palladium was discovered in 1803

Basic Information-

  • Atomic number is 4
  • Atomic mass is 106
  • Number of protons- 46
  • Number of electrons- 46
  • Number of neutrons- 60

Symbol-

  • "Pd" is the atomic symbol
  • The name comes from the astroid, Pallas, and the greek goddess of wisdome

Where it is found-

  • Palladium is found in solid form with other metals such as platinum, nickle, copper, silver, and gold
  • It is found on land

Physical Facts-

  • Melting point- 2830.8 Fahrenheit or 1554.9 Celsius
  • Boiling point- 5365 Fahrenheit or 2963 Celsius
  • Density- 12 grams per cubic centimeter
  • Abundance on Earth's crust- 1.5×10-2 milligrams per kilograms on land

Uses-

  • Springs for watches
  • Surgical instruments
  • Electrical contacts
  • Dental fillings and crowns
  • Jewelry

Interesting facts-

  • When palladium is alloyed with gold it creates a substance known as white gold
  • At room temperature palladium can hold up to 900 times its own volume in hydrogen
  • Palladium can be used for easy purification of Hydrogen when heated

Sources-